E-BOOK: Top 300+ Subnetting Practice Questions

by admin | May 22, 2017 | CCNA | 5 comments

Subnetting is one of the most important concepts for networking. Subnetting identifies a network with a range of Internet Protocol addresses in the Internet.

In this post, we have collected important questions related to subnetting. This question bank of more than 300+ questions will help you master CCNA Routing and Switching subnetting concepts.

How many subnets and hosts per subnet can you get from the network 172.20.0.0/23?
Which subnet does host 192.168.159.126/27 belong to?
Which subnet does host 192.168.226.171/28 belong to?
You are designing a subnet mask for the 10.0.0.0 network. You want 2100 subnets with up to 3900 hosts on each subnet. What subnet mask should you use?
What is the last valid host on the subnetwork 172.16.183.0/28?
What is the last valid host on the subnetwork 10.153.176.0/20?
How many subnets and hosts per subnet can you get from the network 172.20.0.0/26?
How many subnets and hosts per subnet can you get from the network 192.168.41.0/29?
What is the first valid host on the subnetwork that the node 10.114.98.215/20 belongs to?
How many subnets and hosts per subnet can you get from the network 192.168.73.0 255.255.255.248?
What is the last valid host on the subnetwork 192.168.107.0/26?
How many subnets and hosts per subnet can you get from the network 172.28.0.0 255.255.255.128?
Which subnet does host 172.31.241.76 255.255.255.0 belong to?
What is the broadcast address of the network 172.27.170.0 255.255.254.0?
What is the last valid host on the subnetwork 172.30.176.0/21?
What is the broadcast address of the network 172.25.158.0/23?
What is the last valid host on the subnetwork 192.168.241.100 255.255.255.252?
How many subnets and hosts per subnet can you get from the network 172.16.0.0 255.255.255.240?
Which subnet does host 172.26.89.168/21 belong to?
What is the first valid host on the subnetwork that the node 172.28.75.70/23 belongs to?
What is the last valid host on the subnetwork 172.18.50.0 255.255.255.128?
Which subnet does host 172.22.103.104 255.255.254.0 belong to?
Which subnet does host 172.18.182.222 255.255.255.128 belong to?
What valid host range is the IP address 172.17.121.243 255.255.254.0 a part of?
How many subnets and hosts per subnet can you get from the network 10.0.0.0 255.255.240.0?
What is the broadcast address of the network 10.59.128.0/20?
Which subnet does host 172.19.218.59 255.255.254.0 belong to?
Which subnet does host 172.31.174.70 255.255.254.0 belong to?
How many subnets and hosts per subnet can you get from the network 172.17.0.0/23?
What is the last valid host on the subnetwork 10.217.0.0 255.255.240.0?
What valid host range is the IP address 172.25.199.43/27 a part of?
What is the broadcast address of the network 172.20.118.64/28?
What valid host range is the IP address 172.27.28.55/26 a part of?
How many subnets and hosts per subnet can you get from the network 172.28.0.0/24?
What is the broadcast address of the network 192.168.104.96/28?
Which subnet does host 172.27.58.133/23 belong to?
What is the first valid host on the subnetwork that the node 172.31.159.51 255.255.255.224 belongs to?
Which subnet does host 10.134.193.71 255.255.240.0 belong to?
What is the broadcast address of the network 172.19.88.0 255.255.248.0?
How many subnets and hosts per subnet can you get from the network 172.29.0.0/26?
What is the broadcast address of the network 172.23.14.0 255.255.254.0?
How many subnets and hosts per subnet can you get from the network 172.20.0.0/23?
How many subnets and hosts per subnet can you get from the network 172.26.0.0 255.255.255.128?
What is the first valid host on the subnetwork that the node 172.20.155.212 255.255.255.224 belongs to?
Which subnet does host 192.168.187.94 255.255.255.192 belong to?
What is the broadcast address of the network 172.27.74.160/27?
Which subnet does host 172.29.120.163/28 belong to?
How many subnets and hosts per subnet can you get from the network 172.16.0.0/22?
How many subnets and hosts per subnet can you get from the network 172.17.0.0/25?
What is the last valid host on the subnetwork 192.168.26.64 255.255.255.224?
Which subnet does host 172.31.166.143/20 belong to?
Which subnet does host 172.17.240.227 255.255.240.0 belong to?
Which subnet does host 192.168.196.22/27 belong to?
You are designing a subnet mask for the 172.23.0.0 network. You want 40 subnets with up to 800 hosts on each subnet. What subnet mask should you use?
How many subnets and hosts per subnet can you get from the network 192.168.31.0/25?
Which subnet does host 172.31.174.91/23 belong to?
Which subnet does host 192.168.15.46/26 belong to?
What valid host range is the IP address 172.30.63.156/22 a part of?
What is the broadcast address of the network 172.24.64.0/20?
What valid host range is the IP address 172.30.6.220 255.255.255.240 a part of?
How many subnets and hosts per subnet can you get from the network 192.168.212.0 255.255.255.240?
What is the first valid host on the subnetwork that the node 192.168.112.78 255.255.255.224 belongs to?
Which subnet does host 172.19.248.153 255.255.254.0 belong to?
How many subnets and hosts per subnet can you get from the network 10.0.0.0 255.255.240.0?
What is the first valid host on the subnetwork that the node 192.168.51.33 255.255.255.192 belongs to?
How many subnets and hosts per subnet can you get from the network 192.168.98.0 255.255.255.224?
What is the last valid host on the subnetwork 172.27.144.0/25?
What valid host range is the IP address 172.18.89.103/25 a part of?
How many subnets and hosts per subnet can you get from the network 10.0.0.0/20?
What is the first valid host on the subnetwork that the node 172.24.185.176/25 belongs to?
What is the last valid host on the subnetwork 172.17.160.0/23?
What is the first valid host on the subnetwork that the node 172.19.245.58/27 belongs to?
What is the broadcast address of the network 192.168.102.232 255.255.255.248?
How many subnets and hosts per subnet can you get from the network 172.17.0.0/23?
Which subnet does host 10.247.102.159 255.255.240.0 belong to?
What is the first valid host on the subnetwork that the node 172.26.131.80 255.255.252.0 belongs to?
How many subnets and hosts per subnet can you get from the network 192.168.154.0 255.255.255.240?
What valid host range is the IP address 172.30.114.92/26 a part of?
What is the broadcast address of the network 172.30.93.192 255.255.255.192?
Which subnet does host 192.168.5.250/26 belong to?

5 Comments

James on June 27, 2017 at 7:18 pm

Hi. Where may I find the answers for these 300 subnetting questions? This is an excellent document but, I do not have any way to validate and verify my answers against the correct answers. Please let me know.
- I-Medita Learning Solutions on June 29, 2017 at 5:05 pm
  
  Hi James,
  
  Answers to these questions will be updated in the link soon.
  - James on June 29, 2017 at 6:28 pm
    
    Excellent. I look forward to them being posted. I would love to work through all 300 of them but without an answer key or a list, I cannot gauge my progress and test my understanding.
    
    I just wanted to make sure I was not missing them somewhere else on the website of if they were available at all.
    
    Thanks
Abhilash Gupta on July 28, 2018 at 6:22 pm

Could you please upload the link of answer key?
- I-Medita Learning Solutions on August 4, 2018 at 12:05 pm
  
  Hi Abhilash Gupta,
  
  You can find answers to these questions on this website: http://ip-subnetting.com/

E-BOOK: Top 300+ Subnetting Practice Questions

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